21177156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 69543936

約数和(自身を除く): 48366780

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 41, 42, 43, 44, 52, 66, 77, 78, 82, 84, 86, 91, 123, 129, 132, 143, 154, 156, 164, 172, 182, 231, 246, 258, 273, 286, 287, 301, 308, 364, 429, 451, 462, 473, 492, 516, 533, 546, 559, 572, 574, 602, 858, 861, 902, 903, 924, 946, 1001, 1066, 1092, 1118, 1148, 1204, 1353, 1419, 1599, 1677, 1716, 1722, 1763, 1804, 1806, 1892, 2002, 2132, 2236, 2706, 2838, 3003, 3157, 3198, 3311, 3354, 3444, 3526, 3612, 3731, 3913, 4004, 5289, 5412, 5676, 5863, 6006, 6149, 6314, 6396, 6622, 6708, 7052, 7462, 7826, 9471, 9933, 10578, 11193, 11726, 11739, 12012, 12298, 12341, 12628, 13244, 14924, 15652, 17589, 18447, 18942, 19393, 19866, 21156, 22386, 22919, 23452, 23478, 24596, 24682, 35178, 36894, 37023, 37884, 38786, 39732, 41041, 43043, 44772, 45838, 46956, 49364, 58179, 68757, 70356, 73788, 74046, 77572, 82082, 86086, 91676, 116358, 123123, 129129, 135751, 137514, 148092, 160433, 164164, 172172, 232716, 246246, 252109, 258258, 271502, 275028, 320866, 407253, 481299, 492492, 504218, 516516, 543004, 641732, 756327, 814506, 962598, 1008436, 1512654, 1629012, 1764763, 1925196, 3025308, 3529526, 5294289, 7059052, 10588578, 21177156]

約数ペア:

[(1, 21177156), (2, 10588578), (3, 7059052), (4, 5294289), (6, 3529526), (7, 3025308), (11, 1925196), (12, 1764763), (13, 1629012), (14, 1512654), (21, 1008436), (22, 962598), (26, 814506), (28, 756327), (33, 641732), (39, 543004), (41, 516516), (42, 504218), (43, 492492), (44, 481299), (52, 407253), (66, 320866), (77, 275028), (78, 271502), (82, 258258), (84, 252109), (86, 246246), (91, 232716), (123, 172172), (129, 164164), (132, 160433), (143, 148092), (154, 137514), (156, 135751), (164, 129129), (172, 123123), (182, 116358), (231, 91676), (246, 86086), (258, 82082), (273, 77572), (286, 74046), (287, 73788), (301, 70356), (308, 68757), (364, 58179), (429, 49364), (451, 46956), (462, 45838), (473, 44772), (492, 43043), (516, 41041), (533, 39732), (546, 38786), (559, 37884), (572, 37023), (574, 36894), (602, 35178), (858, 24682), (861, 24596), (902, 23478), (903, 23452), (924, 22919), (946, 22386), (1001, 21156), (1066, 19866), (1092, 19393), (1118, 18942), (1148, 18447), (1204, 17589), (1353, 15652), (1419, 14924), (1599, 13244), (1677, 12628), (1716, 12341), (1722, 12298), (1763, 12012), (1804, 11739), (1806, 11726), (1892, 11193), (2002, 10578), (2132, 9933), (2236, 9471), (2706, 7826), (2838, 7462), (3003, 7052), (3157, 6708), (3198, 6622), (3311, 6396), (3354, 6314), (3444, 6149), (3526, 6006), (3612, 5863), (3731, 5676), (3913, 5412), (4004, 5289)]